New Blynk V2.0 and New ESP32, getting started tutorial

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New ESP32 with New Blynk V2

Download circuit diagram and programming:

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Project Description:
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Now, in this next example, we are going to control this LED and monitor this Potentiometer using the New Blynk V2.0. First, let me explain the connections.

The rightmost and leftmost legs of the Potentiometer are connected to the FireBeetle board pins 3.3V and GND. Whereas the middle leg of the potentiometer is connected to the Analog pin A0.

Cathode Leg of the LED is connected to the GND pin and the Anode leg of the LED is connected to the digital pin D12 through this 330 ohm current limiting resistor. 330-ohm resistor I usually use when I use 5 volts compatible controller boards like Arduino. But since this is a 3.3V compatible controller board, so technically you will need a resistor of 40 ohms. But, to be on the safe side, you can use a resistor of 100 ohms. But right now, I have a 330-ohm resistor and that’s why I used it and I know its going to reduce the LED brightness. Anyway, you can follow this circuit diagram.

Now, before we start setting up the Blynk Cloud dashboard or the Blynk IoT App for controlling the LED and for monitoring the Potentiometer. First, we will need to install the Blynk Library in the Arduino IDE. So, let’s do it.

While the Arduino IDE is open. Go to the Sketch Menu…then to Include Library…and click on the Manage Libraries…Search for the Blynk… and make sure you install the Blynk by this guy and don’t forget to select the latest version... Anyway, you can see, I have already installed it. So, once you are done with the Blynk library installation then you can start working on the Blynk Cloud dashboard.

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FireBeetle 2 ESP32 S3 WROOM 1

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What simple project using Blynk v2...😊 I'll definitely going to try it. Thanks for the video

nelsonsimango